SudokuPlus vs Tetsudoku

Color Mode Sudoku: Play with vibrant colors instead of numbers—each number 1-9 has its own unique color Smart Hint System: Strategic hints guide you to the most logical next moves in both modes Four Difficulty Levels: Easy, Medium, Hard, and Expert puzzles for all skill levels Dual Game Modes: Switch between traditional numbers and beautiful colors anytime Smart Candidate Tracking: Track possible numbers in each cell to solve complex puzzles more efficiently Ad-Free Option: Optional one-time purchase removes all ads permanently Dark Mode Support: Seamless adjustment for comfortable gameplay in any lighting Game Statistics: Track your progress separately for each mode and challenge your best times Confetti Celebrations: Enjoy fun animations and smooth completion effects Built-in Timer: Accurate timing that works even when you take breaks Minimalist Interface: Elegant and intuitive design optimized for iPhone and iPad

Every Sudoku has a logical path to the end. Tetsudoku teaches you to find it. Four new puzzles arrive each morning, one per difficulty: Easy, Medium, Hard, and Expert. Twenty more come each week. The archive holds every past puzzle, ready to revisit. Stuck on a move? Most apps hand you the answer. Tetsudoku shows you the next logical step, names the cells involved, and explains the strategy behind it. Head to the Learn section for fifteen solving strategies, each with a full explanation and practice puzzles. Over time, you need fewer hints. Tetsudoku tracks candidates for you. No penciling in numbers by hand: it computes every possible value for every cell automatically. Tap to highlight all cells that can hold a given digit. Find cells with exactly two candidates in one tap. Choose any combination of values and see which cells share them. Less busywork, more solving. Spotted a puzzle in the newspaper? Enter it by hand and solve it right here. Unlock Tetsudoku Unlimited to generate custom puzzles at any difficulty, any time. Stats track your best and average solve times for each difficulty, puzzles finished, and hints used. Watch yourself improve. Easy puzzles are always free. Tetsudoku Unlimited is a single one-time purchase that unlocks Medium, Hard, and Expert puzzles plus unlimited puzzle generation.